Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L5/00—Arrangements affording multiple use of the transmission path
  • H04L5/003—Arrangements for allocating sub-channels of the transmission path
  • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
  • H04L5/0035—Resource allocation in a cooperative multipoint environment
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L5/00—Arrangements affording multiple use of the transmission path
  • H04L5/003—Arrangements for allocating sub-channels of the transmission path
  • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
  • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L5/00—Arrangements affording multiple use of the transmission path
  • H04L5/003—Arrangements for allocating sub-channels of the transmission path
  • H04L5/0058—Allocation criteria
  • H04L5/0073—Allocation arrangements that take into account other cell interferences
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W72/00—Local resource management
  • H04W72/50—Allocation or scheduling criteria for wireless resources
  • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria

Definitions

• Measurement management method Network device, measurement method and user equipment
• the present invention relates to mobile communication technologies, and in particular, to a measurement management method, a network end device, a measurement method, and a user equipment in a wireless communication technology.
• wireless communication networks are widely deployed, and in order to meet the increasing communication quality and communication rate requirements of users, wireless communication technologies (wireless networks) are continuously evolving.
• the wireless communication network has evolved from the Global System For Mobile Communication (GSM) / General Packet Radio Service (GPRS) system 2nd generation / 2.5th generation mobile communication network to the universal mobile communication system (Universal Mobile Telecommunications System, UMTS) 3rd generation mobile communication network.
• GSM Global System For Mobile Communication
• GPRS General Packet Radio Service
• UMTS Universal Mobile Telecommunications System
• 3rd Generation Partnership Project 3rd Generation Partnership Project
• LTE Long Term Evolution
• LTE-A Long Term Evolution Advanced
• Wireless communication networks can generally support multi-user access by sharing system resources.
• wireless communication networks support the mobility of User Equipment (UE).
• UE User Equipment
• Wireless communication networks require efficient resource management.
• the evolved NodeB (eNB) can obtain the radio channel quality based on the measurement of the uplink reference signal by the eNB or the measurement of the downlink reference signal by the UE, and comprehensively consider other factors for the management of the radio resource. For example, consider the wireless channel quality, service distribution, neighbor load, hardware resources, operator policy, etc.
• CMC Connection Mobility Control
• RS Resource Scheduling
• ICIC Inter-cell Interference Coordination
• the UE measures the downlink reference signal, and the UE measures the cell-specific reference signal. (Cell-specific Reference Signals, CRS) and feed back the measurement results to the eNB.
• CRS Cell-specific Reference Signals
• the new network deployment may introduce a large number of low power nodes (LPNs) based on the traditional homogeneous network. Networking to enhance hotspots, cell edges, indoor coverage, etc.
• LPNs low power nodes
• New technologies such as Coordinated Multi-point (CoMP) technology aim to improve cell edge spectral efficiency.
• CoMP Coordinated Multi-point
• the emergence of these new network deployments and new technologies may be accompanied by the introduction of new carrier frequency resources, such as designing only carrier resources with relatively sparse (relative to LTE carrier frequency resources) CRS or even carrier frequencies without designing CRS. The resources, so that the current method of resource management based on CRS acquisition of wireless channel quality cannot meet the requirements of radio resource management.
• the embodiments of the present invention provide a measurement management method, a network end device, a measurement method, and a user equipment, and solve the problem that the wireless channel quality cannot be satisfied only by the current CRS measurement.
• an embodiment of the present invention provides a measurement management method, including: a network device configures a measurement parameter for a user equipment, where, when there is a channel state information reference signal (CSI-RS) resource to be measured, A CSI-RS resource based measurement is then configured in the measurement parameters.
• CSI-RS channel state information reference signal
• the above method may also have the following features, wherein the measurement based on the cell-specific reference signal (CRS) and the measurement based on the CSI-RS are configured in the same measurement object.
• CRS cell-specific reference signal
• the above method may also have the following features: the CRS-based measurement and the CSI-RS-based measurement in the measurement parameter are configured in the same measurement object, including:
• the CSI-RS resource to be measured is simultaneously configured in the measurement object.
• the above method may also have the following features: CRS-based measurements and CSI-RS-based measurements in the measurement parameters are configured for different measurement objects.
• the above method may also have the following features, the measurement parameters are based on CRS measurement and based on The measurement of CSI-RS is configured for different measurement objects including:
• the frequency when there is a CSI-RS resource that needs to be measured, the frequency is configured as a first measurement object, and the CSI-RS resource that needs to be measured on the frequency is configured as a second. Measuring object.
• the foregoing method may further include the following steps: the step of configuring the CSI-RS resource to be measured on the frequency to be the second measurement object includes:
• All CSI-RS resources that need to be measured on the frequency are configured in one measurement object; or, each CSI-RS resource that needs to be measured on the frequency is separately configured in multiple measurement objects.
• the embodiment of the invention further provides a measurement method, including:
• CSI-RS channel state information reference signal
• the step of the user equipment performing measurement according to the measurement parameter includes:
• the user equipment determines the measurement reference signal according to the measurement parameter, and performs measurement.
• CRS cell-specific reference signal
• the measurement parameters include a measurement object, a report configuration, and a measurement identifier
• the step of determining, by the user equipment, the measurement reference signal according to the measurement parameter comprises: determining, by the user equipment, the measurement reference signal by using a measurement object and a report configuration associated with the measurement identifier.
• the above method may further have the following feature: the step of determining, by the user equipment, the measurement reference signal by measuring the associated measurement object and the report configuration comprises one or a combination of the following:
• determining the measurement reference signal is CSI-RS
• the measurement reference signal is determined to be a CRS and a CSI-RS;
• the measurement object associated with a specific measurement identifier is not configured with a CSI-RS resource, it is determined that the measurement reference signal is a CRS.
• the foregoing method may further include the following steps: the step of the user equipment performing measurement includes: when the determined measurement reference signal is a CSI-RS, the user equipment performs measurement on a CSI-RS resource configured in the measurement object;
• the user equipment When the determined measurement reference signal is a CRS, the user equipment performs measurement of a CRS of a cell on a frequency configured in the measurement object;
• the user equipment When the determined measurement reference signals are CRS and CSI-RS, the user equipment performs measurement of the CSI-RS resources configured in the measurement object and performs measurement of the CRS of the cells on the frequency configured in the measurement object.
• the step of the user equipment performing measurement according to the measurement parameter includes:
• the measurement object when the measurement object is configured to be a CRS-based measurement, measurement of the CRS resource is performed; when the measurement object is configured When the CSI-RS based measurement is performed, the measurement of the CSI-RS resource is performed.
• the embodiment of the present invention further provides a network device, including: a configuration unit, configured to: configure a measurement parameter for the user equipment, where, when there is a channel state information reference signal (CSI-RS) resource to be measured, A measurement based on CSI-RS resources is configured in the measurement parameters.
• a configuration unit configured to: configure a measurement parameter for the user equipment, where, when there is a channel state information reference signal (CSI-RS) resource to be measured, A measurement based on CSI-RS resources is configured in the measurement parameters.
• CSI-RS channel state information reference signal
• the network end device may also have the following features: the measurement based on the cell-specific reference signal (CRS) and the measurement based on the CSI-RS in the measurement parameter are configured in the same measurement object.
• CRS cell-specific reference signal
• the network device may also have the following characteristics, and the measurement parameters are based on CRS measurement and
• the CSI-RS based measurement configuration on the same measurement object includes:
• the CSI-RS resource to be measured is simultaneously configured in the measurement object.
• the network end device may also have the following features: the CRS-based measurement and the CSI-RS-based measurement in the measurement parameters are configured in different measurement objects.
• the network device may also have the following features: the CRS-based measurement and the CSI-RS-based measurement configuration in the measurement parameters are configured on different measurement objects, including:
• the frequency when there is a CSI-RS resource that needs to be measured, the frequency is configured as a first measurement object, and the CSI-RS resource that needs to be measured on the frequency is configured as a second. Measuring object.
• the network device may also have the following features.
• the step of configuring the CSI-RS resource to be measured on the frequency as the second measurement object includes:
• All CSI-RS resources that need to be measured on the frequency are configured in one measurement object; or each CSI-RS resource that needs to be measured on the frequency is separately configured in multiple measurement objects.
• An embodiment of the present invention further provides a user equipment, including: a measurement parameter receiving unit and a measurement unit, where:
• the measurement parameter receiving unit is configured to: receive a measurement parameter configured by the network end device; wherein, when there is a channel state information reference signal (CSI-RS) resource that needs to be measured, the measurement parameter is configured with a CSI-RS based Measurement of resources;
• CSI-RS channel state information reference signal
• the measuring unit is configured to: perform a measurement based on the measured parameter.
• the above user equipment may also have the following features, the measuring unit being arranged to perform measurements according to the measured parameters as follows:
• the measurement unit determines the measurement reference signal according to the measurement parameter, and performs measurement.
• the foregoing user equipment may further have the following characteristics, where the measurement parameters include a measurement object, a report configuration, and a measurement identifier;
• the measuring unit is arranged to determine the measurement reference signal based on the measurement parameters as follows:
• the measurement unit determines the measurement reference signal by measuring the associated measurement object and the report configuration.
• the foregoing user equipment may further have the following feature: the step of determining, by the measurement unit, the measurement reference signal by measuring the associated measurement object and the report configuration includes one or a combination of the following: when a specific measurement identifier is associated with the measurement object The CSI-RS resource is configured, and when the triggering amount related to the CSI-RS is configured in the associated report configuration, the measurement reference signal is determined to be a CSI-RS;
• the measurement reference signal is determined to be a CRS and a CSI-RS;
• the measurement object associated with a specific measurement identifier is not configured with a CSI-RS resource, it is determined that the measurement reference signal is a CRS.
• the above user equipment may also have the following features, and the measuring unit is configured to perform measurements as follows:
• the determined measurement reference signal is a CSI-RS
• performing measurement of the CSI-RS resource configured in the measurement object
• the determined measurement reference signal is CRS
• performing measurement of the CRS of the small area on the frequency configured in the measurement object
• the determined measurement reference signals are CRS and CSI-RS
• measurement of the CSI-RS resources configured in the measurement object and measurement of the CRS of the cell on the frequency configured in the measurement object are performed.
• the measuring unit is configured to perform measurements according to the measurement parameters as follows: When the CRS-based measurement and the CSI-RS-based measurement in the measurement parameter are configured in different measurement objects, when the measurement object is configured to be a CRS-based measurement, measurement of the CRS resource is performed; when the measurement object is configured When the CSI-RS based measurement is performed, the measurement of the CSI-RS resource is performed.
• the measurement management method of the present invention can provide required channel quality information for radio resource management, including configuration management of CoMP measurement set, Connection Mobility Control (CMC) management, and inter-cell communication. Inter-cell Interference Coordination (ICIC) management. BRIEF abstract
• Figure 1 shows the LTE L3 measurement processing model.
• Figure 2 is a schematic diagram of a CoMP deployment scenario.
• Figure 3 is a schematic diagram of a heterogeneous network deployment scenario.
• Figure 4 is a schematic diagram of a collection of CoMP resources.
• Figure 5 shows the LTE L3 measurement management model.
• Figure 6 shows the L3 measurement management model based on CSI-RS in Method 1.
• Figure 7 shows the L3 measurement management model based on CSI-RS in Method 2.
• Figure 8 shows the L3 measurement management model based on CSI-RS in Method 2.
• FIG. 9 is a block diagram of a network device according to an embodiment of the present invention.
• FIG. 10 is a block diagram of a UE according to an embodiment of the present invention.
• the embodiment of the invention provides a measurement management method, including:
• the network device configures measurement parameters for the user equipment, where there is a CSI-RS that needs to be measured.
• the measurement based on the CSI-RS resource is configured in the measurement parameter.
• the CRS-based measurement and the CSI-RS-based measurement in the measurement parameter are configured in the same measurement object.
• the CRS-based measurement and the CSI-RS-based measurement in the measurement parameter are configured in the same measurement object, including:
• the CSI-RS resource to be measured is simultaneously configured in the measurement object.
• the CRS-based measurement and the CSI-RS-based measurement in the measurement parameters are configured in different measurement objects.
• the CRS-based measurement and the CSI-RS-based measurement in the measurement parameters are configured in different measurement objects, including:
• the frequency when there is a CSI-RS resource to be measured on the frequency, the frequency is configured as a first measurement object, and the CSI-RS resource that needs to be measured at the frequency is configured as a second measurement object.
• the step of configuring the CSI-RS resource to be measured on the frequency as the second measurement object includes:
• All CSI-RS resources that need to be measured on the frequency are configured in one measurement object.
• each CSI-RS resource that needs to be measured on the frequency is configured in multiple measurement objects.
• the embodiment of the invention further provides a measurement method, including:
• the user equipment receives the measurement parameter of the network device configuration, and performs measurement according to the measurement parameter.
• a measurement based on the CSI-RS resource is configured in the measurement parameter.
• the step of the user equipment performing measurement according to the measurement parameter includes:
• the user equipment determines the measurement reference signal according to the measurement parameter, and performs measurement.
• the measurement parameter includes a measurement object, a notification configuration, and a measurement identifier
• the step of determining, by the user equipment, the measurement reference signal according to the measurement parameter includes: The user equipment determines the measurement reference signal by measuring a measurement object and a report configuration associated with the identifier.
• the step of determining, by the user equipment, the measurement reference signal by measuring the measurement object and the report configuration associated with the identifier includes one or a combination of the following:
• the CSI-RS resource is configured in the associated report configuration
• the CSI-RS related report trigger quantity is configured in the associated report configuration
• the measurement reference signal is determined to be a CSI-RS
• the measurement reference signal is determined to be a CRS and a CSI-RS;
• the measurement object associated with a specific measurement identifier is not configured with a CSI-RS resource, it is determined that the measurement reference signal is a CRS.
• the step of the user equipment performing measurement includes:
• the user equipment When the determined measurement reference signal is a CSI-RS, the user equipment performs measurement of a CSI-RS resource configured in the measurement object;
• the user equipment When the determined measurement reference signal is a CRS, the user equipment performs measurement of a CRS of a cell on a frequency configured in the measurement object;
• the user equipment When the determined measurement reference signals are CRS and CSI-RS, the user equipment performs measurement of the CSI-RS resources configured in the measurement object and performs measurement of the CRS of the cells on the frequency configured in the measurement object.
• the step of the user equipment performing measurement according to the measurement parameter includes:
• the measurement object when the measurement object is configured to be a CRS-based measurement, measurement of the CRS resource is performed; when the measurement object is configured When the CSI-RS based measurement is performed, the measurement of the CSI-RS resource is performed.
• the CRS is designed on the downlink carrier.
• the CRS is designed on the downlink subframe corresponding to the carrier.
• the UE measures the CRS and measures the measurement result. Feedback to the eNB.
• the UE measurement CRS includes two forms, one is long-period evaluation and requires layer 3 (Layer 3, L3) to participate in filtering measurement, which is called L3 measurement in the embodiment of the present invention; the other is short period (relative to L3 measurement)
• Layer 3 Layer 3, L3
• the measurement that does not require L3 to participate in the filtering is referred to as Layer 1 (L1) measurement in the embodiment of the present invention.
• the radio channel quality obtained by the L3 measurement can assist the eNB in performing radio resource management such as CMC management or ICIC management.
• Figure 1 shows the L3 measurement processing model, including the L1 measurement function module 100 and the L3 filtering and report evaluation function module 101.
• the L1 measurement function module 100 includes two sub-function modules: a sub-function module 100-1 (L1 sample) and a sub-function module 100-2 (L1 filter), wherein the sub-function module 100-1 (L1 sample) receives the A
• the CRS performs sampling (or measurement), and the sub-function module 100-2 (L1 filtering) filters the sampled result of the sub-function module 100-1.
• the L3 Filtering and Report Evaluation Function Module 101 includes two sub-function modules: a sub-function module 101-1 (L3 filter) and a sub-function module 101-2 (L3 report evaluation), where the sub-function module 101-1 (L3 filter) pairs L1
• the filtering result periodically transmitted to L3 is filtered, and the sub-function module 101-2 (L3 report evaluation) determines whether to trigger the measurement report based on the filtering result of L3. If a measurement report is triggered, L3 sends a measurement report to the eNB (B sends a measurement report).
• the channel quality obtained by the L1 measurement can assist the eNB in resource scheduling.
• L1 measures and filters the CRS, and maps the result to a channel quality indicator (CQI) according to the manner agreed by the eNB, and reports the CQI to the eNB.
• CQI channel quality indicator
• CoMP transmission technology is proposed.
• CoMP transmission technology is regarded as one of the important technologies to improve the performance of cell edge users and effectively suppress inter-cell interference.
• the LTE-A system can increase the coverage of high data rates through CoMP technology, thereby improving the throughput of the cell edge and further improving the system throughput.
• the so-called CoMP technology refers to a plurality of geographically separated eNBs or multiple Transmission Nodes (TPs) participating in data transmission with the same UE.
• Figure 2 shows a schematic diagram of a CoMP deployment scenario. In FIG.
• the base station 200 of the cell 1 there are three cells adjacent to each other, the base station 200 of the cell 1, the remote radio unit (RRU) 201 of the cell 2, and the radio remote unit 202 of the cell 3 share the channel information and distribution of the UE 203. Information and joint scheduling based on this information, Together, the scheduling and/or beamforming of the UE is determined.
• the base station 200 and the radio remote units 201 and 202 are connected by optical fibers.
• FIG. 3 shows a heterogeneous network deployment scenario.
• the base station 300 constitutes a macro cell 1.
• Two low-power nodes LPN301 and LPN302 are deployed in the coverage of the macro cell 1 to enhance hotspot coverage.
• the coverage area 2 is the signal coverage of the LPN 301
• the coverage area 3 is the coverage of the LPN 302. .
• the base station 300 and the LPN 301, LPN 302 are connected by optical fibers.
• the CoMP transmission technology can be used in combination with the heterogeneous network.
• the UE 303 is located in the coverage of the macro cell 1 and the LPN 301 at the same time, and the base station 300 and the LPN 301 can participate together. Transmission of UE 303.
• the UE 304 is located in the coverage of the macro cell 1 and the LPN 302 at the same time, and the base station 300 and the LPN 302 can jointly participate in the transmission of the UE 304.
• the coverage area 2 of the LPN 301 and the coverage area 3 of the LPN 302 can be designed as independent cells, that is, the coverage area 2 of the LPN 301 and the LPN 302, respectively.
• the coverage area 3 is designed as a cell with an independent synchronization channel, physical cell identity (PCI), CRS, etc., in which case the coverage area 2 can be recorded as cell 2, and the coverage area 3 can be recorded as cell 3.
• the coverage area 2 of the LPN 301 and the coverage area 3 of the LPN 302 may not be designed as independent cells during the deployment of the operator.
• the synchronization channel, PCI, CRS, etc. are not independently designed for the coverage area 2 and/or the coverage area 3.
• the synchronization channel of the coverage area 2 and/or the coverage area 3, the PCI, the CRS, and the synchronization channel of the macro cell 1, the PCI, and the CRS are the same.
• the above base station, LPN, RRU, etc. are collectively referred to as a node in the subsequent description of the embodiments of the present invention.
• CoMP technology needs to select the appropriate transmission nodes to participate in the transmission.
• CoMP technology proposes several resource collection concepts.
• the area surrounded by the black dotted line 400 is a CoMP Resource Management Set
• the UE performs L3 measurement on the resources in the CoMP resource management set and feeds the measurement result back to the network device (for example, the base station).
• the network device can use the feedback measurement result to select CoMP
• the measurement set selects the area surrounded by the solid black line 401 as a CoMP measurement set.
• the UE performs L1 measurement on the resources in the CoMP measurement set and reports the measurement result to the network end device, and the network end device can select the CoMP cooperation set by using the feedback measurement result.
• the shadow area 402 is selected as CoMP collaboration collection.
• the nodes in the CoMP cooperating set 402 participate in determining the scheduling and/or beamforming of the UE 405, and the actual participation and UE 405 transmission may be only some of the nodes in the CoMP cooperating set, such as node 403 and node 404.
• the coverage area of the LPN may be deployed as an independent cell or not as an independent cell. It can be predicted that when the base station is deployed in the future, the area covered by the base station can be deployed as an independent cell or not deployed as a separate cell. If the area covered by some nodes is deployed as an independent cell, the UE may measure the CRS and feed back the CRS to the network device, and the network end device may select the CoMP measurement set by using the measurement result of the CRS, and the UE performs the CoMP measurement set. The CRS can also be measured when the independent cell in the measurement is performed.
• a UE-specific reference signal such as a Channel-State Information Reference Signal (CSI-RS)
• the network device configures the CSI-RS resource of the node to be measured into the CoMP resource management set, and the UE performs L3 measurement on the CSI-RS and feeds the measurement result to the network device, and the network device selects the node and configures the CSI of the corresponding node.
• RS resources are added to the CoMP measurement set.
• LSI measurement based on CSI-RS can be used in CoMP technology for configuration management of CoMP measurement sets. With the continuous evolution of wireless communication networks, LSI measurement based on CSI-RS can also be used for CMC management or ICIC management. The L3 measurement management method based on CSI-RS is explained in detail below.
• the CRS-based measurement and the CSI-RS-based measurement are configured in the same measurement object, and the measurement reference signal is determined by the measurement configuration relationship, and the UE performs the measurement.
• the CRS-based measurement and the CSI-RS-based measurement and the same measurement object are configured to configure a measurement object for a specific frequency, and the CSI-RS resources to be measured are simultaneously configured in the measurement object.
• the eNB configures L3 measurement for the UE in the Radio Resource Control (RRC) connection state to meet the requirements of radio resource management such as CMC management or ICIC management.
• RRC Radio Resource Control
• the eNB configures the UE to include the following measurement parameters:
• the eNB may configure multiple MOs for the UE, and each MO is an LTE frequency;
• the eNB can configure multiple RCs for the UE. Each RC configures the triggering criteria (for example, periodic trigger or event trigger), and reports the trigger amount (for example, reference). Reference Signal Received Power (RSRP) or Reference Signal Received Quality (RSRQ) and other parameters.
• RSRP Reference Signal Received Power
• RSSQ Reference Signal Received Quality
• the eNB can configure multiple MIDs for the UE.
• each MID is associated with one MO and one RC.
• the measurement identifier 505 is associated with the measurement object 501 and the report configuration 503.
• the measurement object 502 associates two different RCs by the measurement identifier 506 and the measurement identifier 507, that is, the configuration 503 and the advertisement configuration 504.
• the configuration 503 is associated with two different MOs by using the measurement identifier 505 and the measurement identifier 506, that is, the measurement object 501 and the measurement object. 502.
• the measurement reference signal of any cell is CRS
• the UE can calculate the time-frequency domain location of the CRS on each cell by using the PCI detected by the blind detection, regardless of which cell is measured by the UE.
• the CRS is measured.
• the method for managing the L3 based on the CSI-RS in the first method includes:
• the CRS-based measurement and the CSI-RS-based measurement are configured in the same measurement object, the UE determines the measurement reference signal by measuring the configuration relationship, and the UE performs the measurement.
• the CRS-based measurement and the CSI-RS-based measurement are configured in the same measurement object, and only one measurement object is configured for a specific frequency, and the CSI-RS resource to be measured is simultaneously configured in the measurement object.
• the UE determines the measurement reference signal by measuring the configuration relationship, which means that the UE determines the measurement reference signal by using the measurement object and the configuration of the measurement identifier. Specifically, the following situations are included.
• the measurement reference signal is determined to be a CSI-RS.
• the measurement reference signal is determined to be CRS.
• the reference signals are determined to be CRS and CSI-RS.
• the report configuration associated with the measurement identifier may be configured with a CSI-RS related report trigger.
• the performing measurement by the UE means that the UE performs measurement according to the determined measurement reference signal, and the step of the UE performing the measurement includes:
• the UE When the determined measurement reference signal is a CSI-RS, the UE performs configuration on the measurement object.
• the UE When the determined measurement reference signal is a CRS, the UE performs measurement of the CRS of the cell on the frequency configured in the measurement object;
• the UE When the determined measurement reference signals are CRS and CSI-RS, the UE performs measurement of the CSI-RS resources configured in the measurement object, and performs measurement of the CRS of the cell on the frequency configured in the measurement object.
• the step of the UE performing the measurement further includes: determining, by the UE, the measurement report trigger type configured according to the report configuration associated with the measurement object, and determining whether to report the measurement report.
• Figure 6 shows the L3 management model based on CSI-RS in Method 1. A specific implementation.
• the network device needs to measure the cell on two frequencies (or the area covered by the node), specifically including the service frequency and the non-serving frequency fl, and some nodes are deployed on the service frequency.
• CSI-RS is set on it.
• measurement object 601 when the network side device is configured to measure, only one measurement object is configured for the service frequency, and the CSI-RS resource to be measured on the service frequency is also configured in the measurement object.
• the UE can determine a specific measurement reference signal and perform the measurement. As shown in Figure 6:
• the measurement identifier 603 is associated with the measurement object 601 and the report configuration 607, the measurement object 601 is configured with the CSI-RS resource, and the report configuration 607 is configured with the report trigger amount channel state information reference signal receiving function.
• the UE determines that the measurement reference signal is the CSI-RS.
• the UE performs measurement of CSI-RS resources configured on the serving frequency.
• the trigger amount in the configuration 607 can also be configured as a Channel State Information Reference Signal Received Quality (CSI-RSRQ) or other CSI-RS related report trigger.
• CSI-RSRQ Channel State Information Reference Signal Received Quality
• the measurement identifier 604 is associated with the measurement object 601 and the report configuration 608.
• the report configuration 608 only the report trigger amount RSRP is configured, and the CSI-RS-related trigger amount is not configured. Then, the UE determines that the measurement reference signal is a CRS, and the UE performs the service frequency. For the measurement of the cell, the measurement reference signal is CRS.
• Measurement indicator 605 is associated with measurement object 601 and report configuration 609, measurement object 601 is configured
• the CSI-RS resource, the report configuration 609 carries the "unlimited report trigger amount identifier" (may also be other identifiers that do not limit the trigger amount of the four advertisements, for example, enable all the trigger trigger identifiers, etc.), then the UE determines
• the measurement reference signals can be CRS and CSI-RS.
• the UE performs the measurement, it performs measurement of the CSI-RS resource configured on the service frequency, and performs measurement of the CRS of each cell on the service frequency. It should be noted that if there are cells on the service frequency that can detect both the CRS and the CSI-RS resources, the UE measures both.
• the measurement identifier 606 associates the measurement object 602 with the report configuration 607, and the configuration 607 configures the report trigger amount CSI-RSRP, but since the measurement object 602 does not configure the CSI-RS resource, the UE determines that the measurement reference signal is the CRS.
• the UE performs measurement on each cell on the fl, and the measurement reference signal is a CRS.
• the measurement configuration associated with the measurement identifier 605 can be configured to one UE at the same time as the measurement configuration associated with the measurement identifier 603 and the measurement identifier 604.
• the measurement configuration associated with the measurement identifier 605 can be configured separately.
• the UE that is, the measurement configuration not associated with the measurement identifier 603 and the measurement identifier 604, is simultaneously configured for one UE.
• the measurement report trigger type configured according to the report configuration associated with the measurement object is used to determine whether to report the measurement report.
• the network device After receiving the measurement report, the network device can use the measurement report to perform configuration management of the CoMP measurement set, and perform CMC management or ICIC management.
• CRS-based measurements and CSI-RS-based measurements are independently configured and the UE performs measurements.
• the CSI-based measurement and the CSI-RS-based measurement are independently configured.
• the frequency is configured as a first measurement object
• the CSI-RS resource to be measured at the frequency is configured as a second measurement object.
• the step of configuring the CSI-RS resource to be measured on the frequency as the second measurement object includes:
• All CSI-RS resources that need to be measured on the specific frequency are configured in one measurement object; or each CSI-RS resource that needs to be measured on the specific frequency is separately configured to multiple measurement objects, and specifically, each CSI-RS resource may be configured. Configured in one measurement object, multiple CSI-RS resources can also be configured on one measurement object.
• the steps performed by the UE to perform the measurement include:
• the UE performs measurement of CSI-RS resources on the second measurement object.
• the step of the UE performing the measurement further includes: determining, by the UE, whether to trigger the reporting of the measurement report on the first measurement object and the second measurement object according to the report configuration respectively associated with the first measurement object and the second measurement object.
• the CSI-RS based L3 management model in Method 2 illustrates one of Method Two. A specific implementation.
• the network device needs the UE to measure the cell on the frequency fl (or the area covered by the node). Some nodes are deployed on the fl, and CSI-RS is set on these nodes. As shown in Figure 7, CRS-based measurements and CSI-RS-based measurements are independently configured on the network side device when configuring measurements.
• the measurement configuration 700 above the dashed line in the figure is a CRS based measurement configuration, and the measurement configuration 700-1 below the dashed line is a CSI-RS based measurement configuration.
• the CRS-based measurement configuration is in 700:
• the measurement identifier 704 associates the measurement object 701 with the report configuration 702.
• the measurement identifier 705 is associated with the measurement object 701 and the report configuration 703.
• the measurement object configured by the measurement object 701 is related information of the frequency fl, such as the absolute carrier frequency and the bandwidth (the specific information is configured by the measurement object of the LTE system).
• the configuration of the ⁇ ⁇ 702 and the ⁇ Configuring 703 are also configured using the measurement object of the LTE system. When the UE measures, the CRS of each cell on fl is measured.
• the CSI-RS based measurement configuration in 700-1 As shown in Figure 7, the CSI-RS based measurement configuration in 700-1:
• the measurement identifier 709 is associated with the measurement object 706 and the report configuration 707.
• the measurement identifier 710 is associated with the measurement object 706 and the report configuration 708.
• the measurement object configured by the measurement object 706 is a CSI-RS resource list
• the report trigger quantity configured by the report configuration 707 and the report configuration 708 is a CSI-RS related report trigger quantity, such as CSI-RSRP, CSI-RSRQ, or other CSI. -RS related value.
• the CSI-RS resource listed in the measurement object 706 is measured.
• the CSI-RS resources on the fl are configured in the same measurement object.
• the CSI-RS resources on the fl may also be They are independently configured in a plurality of measurement objects, as shown in FIG. 8, and the CRS-based measurement configuration 800 above the dotted line is the same as the CRS-based measurement configuration 700 in FIG.
• the CRS-based measurement configuration 800 above the dotted line is the same as the CRS-based measurement configuration 700 in FIG.
• two CSI-RS resources on fl are respectively configured into two measurement objects, and the specific configuration is described as follows.
• the measurement identifier 810 is associated with the measurement object 806 and the report configuration 808.
• the measurement identifier 811 is associated with the measurement object 807 and the report configuration 809.
• the measurement object configured by the measurement object 806 is the CSI-RS resource 1
• the measurement object configured by the measurement object 807 is the CSI-RS resource 2.
• Reporting configuration 808 and report configuration 809 configured report triggers are CSI-RS related report triggers for more flexible evaluation
• the measurement results of each CSI-RS resource meet different radio resource management requirements, and the two report configurations can be configured with different parameters, such as different report trigger criteria.
• the UE performs measurement, it measures the CSI-RS resources configured by each measurement object.
• the measurement report trigger type configured according to the report configuration associated with the measurement object is used to determine whether to report the measurement report.
• the network device After receiving the measurement report, the network device can use the measurement report to perform configuration management of the CoMP measurement set, and perform CMC management or ICIC management.
• the embodiment of the present invention further provides a network device.
• the network device includes: a configuration unit 901, where the configuration unit 901 is configured to configure measurement parameters for the user equipment, where When the CSI-RS resource is used, the measurement based on the CSI-RS resource is configured in the measurement parameter.
• the CRS-based measurement and the CSI-RS-based measurement in the measurement parameter are configured in the same measurement object.
• the CRS-based measurement and the CSI-RS-based measurement in the measurement parameter are configured in the same measurement object, including:
• the CSI-RS resource to be measured is simultaneously configured in the measurement object.
• the CRS-based measurement and the CSI-RS-based measurement in the measurement parameters are configured in different measurement objects.
• the CRS-based measurement and the CSI-RS-based measurement in the measurement parameters are configured in different measurement objects, including:
• the frequency when there is a CSI-RS resource to be measured on the frequency, the frequency is configured as a first measurement object, and the CSI-RS resource that needs to be measured at the frequency is configured as a second measurement object.
• the step of configuring the CSI-RS resource to be measured on the frequency as the second measurement object includes:
• the embodiment of the present invention further provides a user equipment. As shown in FIG. 10, the user equipment includes: a measurement parameter receiving unit 1001 and a measuring unit 1002, where:
• the measurement parameter receiving unit 1001 is configured to: receive a measurement parameter configured by the network device; where, when there is a CSI-RS resource that needs to be measured, the measurement parameter is configured with a CSI-RS resource-based measurement;
• the measuring unit 1002 is configured to: perform measurement according to the measurement parameter.
• measuring unit 1002 is configured to perform measurements according to the measured parameters as follows:
• the measurement unit 1002 determines the measurement reference signal based on the measurement parameter, and performs measurement.
• the measurement parameter includes a measurement object, a notification configuration, and a measurement identifier
• the measuring unit 1002 is configured to determine a measurement reference signal based on the measurement parameter as follows:
• the measurement unit 1002 determines the measurement reference signal by measuring the measurement object associated with the identification and the report configuration.
• the step of determining, by the measurement unit 1002, the measurement reference signal by measuring the associated measurement object and the report configuration includes one or a combination of the following:
• the measurement reference signal is determined to be a CSI-RS
• the measurement reference signal is determined to be a CRS
• the measurement reference signal is determined to be a CRS and a CSI-RS;
• the measuring unit 1002 is configured to perform measurement in the following manner: when the determined measurement reference signal is a CSI-RS, perform measurement on a CSI-RS resource configured in the measurement object;
• the determined measurement reference signal is CRS
• performing measurement of the CRS of the small area on the frequency configured in the measurement object
• the determined measurement reference signals are CRS and CSI-RS
• measurement of the CSI-RS resources configured in the measurement object and measurement of the CRS of the cell on the frequency configured in the measurement object are performed.
• measuring unit 1002 is configured to perform measurements according to the measured parameters as follows:
• the measurement object when the measurement object is configured to be a CRS-based measurement, measurement of the CRS resource is performed; when the measurement object is configured When the CSI-RS based measurement is performed, the measurement of the CSI-RS resource is performed.
• the required channel quality information can be provided for radio resource management.

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• 2012
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